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28 lines
890 B
Go
28 lines
890 B
Go
package mining
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import (
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"math"
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"math/rand"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/domain/consensus/utils/consensusserialization"
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"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
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utilsMath "github.com/kaspanet/kaspad/domain/consensus/utils/math"
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"github.com/pkg/errors"
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)
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// SolveBlock increments the given block's nonce until it matches the difficulty requirements in its bits field
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func SolveBlock(block *externalapi.DomainBlock, rd *rand.Rand) {
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targetDifficulty := utilsMath.CompactToBig(block.Header.Bits)
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for i := rd.Uint64(); i < math.MaxUint64; i++ {
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block.Header.Nonce = i
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hash := consensusserialization.BlockHash(block)
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if hashes.ToBig(hash).Cmp(targetDifficulty) <= 0 {
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return
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}
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}
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panic(errors.New("went over all the nonce space and couldn't find a single one that gives a valid block"))
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}
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